1
SET SQL_MODE="TRADITIONAL,ANSI";
3
DROP TABLE IF EXISTS t3;
5
CREATE TABLE t3(c1 CHAR(100) NOT NULL);
7
INSERT INTO t3 (c1) VALUES(NULL);
8
INSERT INTO t3 (c1) VALUES('x');
9
INSERT INTO t3 (c1) VALUES('');
11
INSERT INTO t3 (c1) VALUES('123456789.123456789.123456789.123456789.123456789.123456789.123456789.123456789.123456789.123456789.x');
12
SELECT COUNT(c1) AS total_rows FROM t3;
13
SELECT COUNT(c1) AS null_rows FROM t3 WHERE c1 IS NULL;
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SELECT COUNT(c1) AS not_null_rows FROM t3 WHERE c1 IS NOT NULL;
16
CREATE TABLE t3(c1 VARCHAR(100) NOT NULL);
18
INSERT INTO t3 (c1) VALUES(NULL);
19
INSERT INTO t3 (c1) VALUES('x');
20
INSERT INTO t3 (c1) VALUES('');
22
INSERT INTO t3 (c1) VALUES('123456789.123456789.123456789.123456789.123456789.123456789.123456789.123456789.123456789.123456789.x');
23
SELECT COUNT(c1) AS total_rows FROM t3;
24
SELECT COUNT(c1) AS null_rows FROM t3 WHERE c1 IS NULL;
25
SELECT COUNT(c1) AS not_null_rows FROM t3 WHERE c1 IS NOT NULL;
27
CREATE TABLE t3(c1 BINARY(100) NOT NULL);
29
INSERT INTO t3 (c1) VALUES(NULL);
30
INSERT INTO t3 (c1) VALUES('x');
31
INSERT INTO t3 (c1) VALUES('');
33
INSERT INTO t3 (c1) VALUES('123456789.123456789.123456789.123456789.123456789.123456789.123456789.123456789.123456789.123456789.x');
34
SELECT COUNT(c1) AS total_rows FROM t3;
35
SELECT COUNT(c1) AS null_rows FROM t3 WHERE c1 IS NULL;
36
SELECT COUNT(c1) AS not_null_rows FROM t3 WHERE c1 IS NOT NULL;
38
CREATE TABLE t3(c1 VARBINARY(100) NOT NULL);
40
INSERT INTO t3 (c1) VALUES(NULL);
41
INSERT INTO t3 (c1) VALUES('x');
42
INSERT INTO t3 (c1) VALUES('');
44
INSERT INTO t3 (c1) VALUES('123456789.123456789.123456789.123456789.123456789.123456789.123456789.123456789.123456789.123456789.x');
45
SELECT COUNT(c1) AS total_rows FROM t3;
46
SELECT COUNT(c1) AS null_rows FROM t3 WHERE c1 IS NULL;
47
SELECT COUNT(c1) AS not_null_rows FROM t3 WHERE c1 IS NOT NULL;